kopia lustrzana https://github.com/mobilinkd/NucleoTNC
58 wiersze
1.2 KiB
C++
58 wiersze
1.2 KiB
C++
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// Copyright 2016 Rob Riggs <rob@mobilinkd.com>
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// All rights reserved.
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#ifndef MOBILINKD__TNC__NULL_PORT_HPP_
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#define MOBILINKD__TNC__NULL_PORT_HPP_
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#include "PortInterface.hpp"
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#include <atomic>
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namespace mobilinkd { namespace tnc {
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/**
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* This interface defines the semi-asynchronous interface used for reading
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* and writing
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*/
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struct NullPort : PortInterface
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{
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virtual ~NullPort() {}
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virtual bool open()
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{
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if (open_) return open_;
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open_ = true;
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return open_;
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}
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virtual bool isOpen() const { return open_; }
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virtual void close() {
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open_ = false;
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}
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virtual osMessageQId queue() const { return 0; }
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virtual bool write(const uint8_t* data, uint32_t size, uint8_t type,
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uint32_t timeout)
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{
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return true;
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}
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virtual bool write(const uint8_t* data, uint32_t size, uint32_t timeout)
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{
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return true;
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}
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virtual bool write(hdlc::IoFrame* frame, uint32_t = osWaitForever)
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{
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hdlc::ioFramePool().release(frame);
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return true;
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}
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void init() {}
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std::atomic<bool> open_{false};
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};
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NullPort* getNullPort();
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}} // mobilinkd::tnc
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#endif // MOBILINKD__TNC__NULL_PORT_HPP_
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